Wrinkles in the skin can be caused by
A) collagen disorders.
B) increasing age.
C) changes in levels of hormones.
D) the cumulative effects of ultraviolet radiation.
E) All of the answers are correct.
E) All of the answers are correct.
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A wide receiver for the Dallas Cowboys pulled a hamstring muscle. What muscles could be affected and what would the effect be?
What will be an ideal response?
Ethnic differences in skin color are primarily caused by differences in ________.
A. UV radiation exposure B. the quantity of melanin produced C. the quantity of hemoglobin carried in the blood D. the number of melanocytes E. the number of keratinocytes
Divergent sensory pathways explain the phenomenon of referred pain.
Answer the following statement true (T) or false (F)
Which of following processes is the primary function of the mouth?
a) Ingestion b) Secretion c) Mixing and propulsion d) Absorption e) None of these choices